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TM-201/202/204/205
10. RECOMMENDED LEVELS OF
ILLUMINATION
Suitable levels of illuminance
(According to the JIS standard Z 9110-1979)
Offices
Illuminance (lux) Place
1500 to 750
Offices, designing, drawing rooms
750 to 300
Offices, conference rooms, computer
rooms
300 to 100
Workrooms, corridors, stairways,
restrooms
Indoor emergency stairways
75 to 30
Factories
Illuminance (lux) Place
3000 to 1500
1500 to 750
750 to 300
Where such work as assembling,
inspecting testing, selecting,
extremely precision visual work
Assembling, inspecting, testing,
selecting, precision visual work
300 to 150
Assembling, inspecting, testing,
selecting and visual ordinary work
Wrapping and packing
75 to 30
Indoor emergency stairways
EN-11